Table 3.
Population size estimates for men who have sex with men (MSM) and transgender women (TGW) in Port Moresby, Lae, and Mount Hagen using unique object multiplier (UOM), service multiplier organizations (ORG1, ORG2, ORG3, ORG4), and successive sampling-population size estimation (SS-PSE) in 2015 and 2016.
| Population size estimation method | Multiplier number, N | Survey, % | Estimate, (95% CI) | Male urban population size based on total, %a | |||
| Port Moresby, N=194,834a |
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UOM |
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Unweighted | 598 | 8.8 | 6834 (4735-8932) | 3.5 | |
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Weighted | 598 | 8 | 7487 (3975-11,000) | 3.8 | |
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ORG1 |
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KP membership |
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Unweighted | 792 | 5.8 | 13,773 (8388-19,158) | 7.1 |
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Weighted | 792 | 4.2 | 18,644 (13,773-23,514) | 9.6 |
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HIV testing |
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Unweighted | 183 | 8 | 2288 (1597-2978) | 1.2 |
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Weighted | 183 | 7.8 | 2380 (1218-3543) | 1.2 |
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ORG2 |
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HIV testing |
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Unweighted | —b | —b | —b | —b |
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Weighted | —b | —b | —b | —b |
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ORG3 |
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HIV testing |
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Unweighted | 7 | 1.3 | 560 (299-821) | 0.3 |
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Weighted | 7 | 1.5 | 501 (0-1175) | 0.3 |
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ORG4 |
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HIV testing |
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Unweighted | 8 | 0.8 | 1067 (116-2017) | 0.5 |
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Weighted | 8 | 0.3 | 2185 (0-4941) | 1.1 |
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SS-PSE | —c | —c | 3846 (3074-4200) | 2 | ||
| Lae, N=46,076a |
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UOM |
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Unweighted | 777 | 21.3 | 3647 (2951-4343) | 7.9 | |
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Weighted | 777 | 16.8 | 4669 (3068-6271) | 10.1 | |
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SS-PSE | —c | —c | 3455 (2752-3672) | 7.5 | ||
| Mount Hagen, N=17,400a |
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UOM |
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Unweighted | 152 | 4.5 | 3374 (532-6217) | 19.4 | |
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Weighted | 152 | 4.2 | 3625 (754-6497) | 20.8 | |
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ORG2 |
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HIV testing |
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Unweighted | —b | —b | —b | —b |
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Weighted | —b | —b | —b | —b |
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SS-PSE | —c | —c | 1095 (913-1151) | 6.3 | ||
aValues provided by the 2011 census of Papua New Guinea.
bNot available.
cNot applicable.